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Cartilage regeneration

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https://www.readbyqxmd.com/read/28319248/cyclic-tensile-strain-enhances-human-mesenchymal-stem-cell-smad-2-3-activation-and-tenogenic-differentiation-in-anisotropic-collagen-glycosaminoglycan-scaffolds
#1
W G Grier, A S Moy, B A Harley
Stem cell research arose from the need to explore new therapeutic possibilities for intractable and lethal diseases. Although musculoskeletal disorders are basically nonlethal, their high prevalence and relative ease of performing clinical trials have facilitated the clinical application of stem cells in this field. However, few reliable clinical studies have been published, despite the plethora of in vitro and preclinical studies in stem cell research for regenerative medicine in the musculoskeletal system...
March 20, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28316169/-advances-in-the-research-of-basic-study-and-clinical-application-of-adipose-derived-mesenchymal-stem-cells
#2
S J Cao, L F Wang, T Ba, Z D Rong, G L Hu, B Zhou, Q Li
Since the discovery of adipose-derived mesenchymal stem cell (ADSC) in more than ten years, a great progress has been made from its basic research to clinical application. Compared with bone marrow mesenchymal stem cells, ADSCs are more abundant in reserve, easier to obtain with fewer injuries and less complications. These cells have multiple differentiation potential and can differentiate into adipocytes, chondrocytes and osteoblasts with the influence of different inducing factors. Early studies of ADSCs mainly focused on the ability of multi-directional differentiation, espe-cially on the regeneration of bone defects and cartilage tissue...
March 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28302495/neural-egfl-like-1-is-a-downstream-regulator-of-runt-related-transcription-factor-2-in-chondrogenic-differentiation-and-maturation
#3
Chenshuang Li, Jie Jiang, Zhong Zheng, Kevin S Lee, Yanheng Zhou, Eric Chen, Cymbeline T Culiat, Yiqiang Qiao, Xuepeng Chen, Kang Ting, Xinli Zhang, Chia Soo
Recent studies indicate that neural EGFL-like 1 (Nell-1), a secretive extracellular matrix molecule, is involved in chondrogenic differentiation. Herein, we demonstrated that Nell-1 serves as a key downstream target of runt-related transcription factor 2 (Runx2), a central regulator of chondrogenesis. Unlike in osteoblast lineage cells where Nell-1 and Runx2 demonstrate mutual regulation, further studies in chondrocytes revealed that Runx2 tightly regulates the expression of Nell-1; however, Nell-1 does not alter the expression of Runx2...
March 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28300264/integration-of-stem-cell-derived-exosomes-with-in-situ-hydrogel-glue-as-a-promising-tissue-patch-for-articular-cartilage-regeneration
#4
Xiaolin Liu, Yunlong Yang, Yan Li, Xin Niu, Bizeng Zhao, Yang Wang, Chunyan Bao, Zongping Xie, Qiuning Lin, Linyong Zhu
The regeneration of articular cartilage, which scarcely shows innate self-healing ability, is a great challenge in clinical treatment. Stem cell-derived exosomes (SC-Exos), an important type of extracellular nanovesicle, exhibit great potential for cartilage regeneration to replace stem cell-based therapy. Cartilage regeneration often takes a relatively long time and there is currently no effective administration method to durably retain exosomes at cartilage defect sites to effectively exert their reparative effect...
March 16, 2017: Nanoscale
https://www.readbyqxmd.com/read/28297584/improvement-of-in-vitro-three-dimensional-cartilage-regeneration-by-a-novel-hydrostatic-pressure-bioreactor
#5
Jie Chen, Zhaoyuan Yuan, Yu Liu, Rui Zheng, Yao Dai, Ran Tao, Huitang Xia, Hairong Liu, Zhiyong Zhang, Wenjie Zhang, Wei Liu, Yilin Cao, Guangdong Zhou
In vitro three-dimensional (3D) cartilage regeneration is a promising strategy for repair of cartilage defects. However, inferior mechanical strength and tissue homogeneity greatly restricted its clinical translation. Simulation of mechanical stress through a bioreactor is an important approach for improving in vitro cartilage regeneration. The current study developed a hydrostatic pressure (HP) bioreactor based on a novel pressure-transmitting mode achieved by slight deformation of a flexible membrane in a completely sealed stainless steel device...
March 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28291955/change-of-chondral-lesions-and-predictive-factors-after-medial-open-wedge-high-tibial-osteotomy-with-a-locked-plate-system
#6
Kang-Il Kim, Min-Chul Seo, Sang-Jun Song, Dae-Kyung Bae, Duk-Hyun Kim, Sang Hak Lee
BACKGROUND: Although cartilage regeneration after medial open-wedge high tibial osteotomy (HTO) has been described, there is a paucity of reports regarding which factors influence cartilage regeneration. PURPOSE: To document whether cartilage regeneration occurs in the previously degenerated medial compartment of arthritic knees after medial open-wedge HTO without concomitant cartilage procedures and to assess which predictive factors influence regeneration after HTO...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28291148/mechanical-signals-as-regulators-of-cartilage-degeneration-and-regeneration
#7
Muhammad Farooq Rai, Martin J Stoddart, Farshid Guilak
No abstract text is available yet for this article.
April 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28280656/noninvasive-measurement-of-ear-cartilage-elasticity-on-the-cellular-level-a-new-method-to-provide-biomechanical-information-for-tissue-engineering
#8
Ernst Jan Bos, Koen van der Laan, Marco N Helder, Margriet G Mullender, Davide Iannuzzi, Paul P van Zuijlen
BACKGROUND: An important feature of auricular cartilage is its stiffness. To tissue engineer new cartilage, we need objective tools to provide us with the essential biomechanical information to mimic optimal conditions for chondrogenesis and extracellular matrix (ECM) development. In this study, we used an optomechanical sensor to investigate the elasticity of auricular cartilage ECM and tested whether sensitivity and measurement reproducibility of the sensor would be sufficient to accurately detect (subtle) differences in matrix compositions in healthy, diseased, or regenerated cartilage...
February 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28279182/the-use-of-mesenchymal-stem-cells-for-cartilage-repair-and-regeneration-a-systematic-review
#9
REVIEW
Andy Goldberg, Katrina Mitchell, Julian Soans, Louise Kim, Razi Zaidi
BACKGROUND: The management of articular cartilage defects presents many clinical challenges due to its avascular, aneural and alymphatic nature. Bone marrow stimulation techniques, such as microfracture, are the most frequently used method in clinical practice however the resulting mixed fibrocartilage tissue which is inferior to native hyaline cartilage. Other methods have shown promise but are far from perfect. There is an unmet need and growing interest in regenerative medicine and tissue engineering to improve the outcome for patients requiring cartilage repair...
March 9, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28278383/3d-printed-poly-%C3%AE%C2%B5-caprolactone-scaffold-augmented-with-mesenchymal-stem-cells-for-total-meniscal-substitution
#10
Zheng-Zheng Zhang, Shao-Jie Wang, Ji-Ying Zhang, Wen-Bo Jiang, Ai-Bing Huang, Yan-Song Qi, Jian-Xun Ding, Xue-Si Chen, Dong Jiang, Jia-Kuo Yu
BACKGROUND: Total meniscectomy leads to knee osteoarthritis in the long term. The poly(ε-caprolactone) (PCL) scaffold is a promising material for meniscal tissue regeneration, but cell-free scaffolds result in relatively poor tissue regeneration and lead to joint degeneration. HYPOTHESIS: A novel, 3-dimensional (3D)-printed PCL scaffold augmented with mesenchymal stem cells (MSCs) would offer benefits in meniscal regeneration and cartilage protection. STUDY DESIGN: Controlled laboratory study...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28277272/a-case-report-on-a-burned-ear-elastic-memory-of-cartilage-following-temporary-burial-in-a-skin-pocket
#11
D O Visscher, P P M van Zuijlen
Preserving exposed ear cartilage following a facial burn remains a major challenge. Normally, burned ear cartilage cannot be preserved in case of a full thickness burn of the overlying skin, and the cartilage has to be surgically removed. Sometimes, reconstructions can be performed at a later stage. We report a case where burned ear cartilage was directly surgically buried in a retroauricular skin pocket showing remarkable elastic memory: the buried ear cartilage, in this case the antihelix, regenerated over time and regained its original position protruding from the facial area...
October 27, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28268018/elastin-like-protein-hyaluronic-acid-elp-ha-hydrogels-with-decoupled-mechanical-and-biochemical-cues-for-cartilage-regeneration
#12
Danqing Zhu, Huiyuan Wang, Pavin Trinh, Sarah C Heilshorn, Fan Yang
Hyaluronic acid (HA) is a major component of cartilage extracellular matrix and is an attractive material for use as 3D injectable matrices for cartilage regeneration. While previous studies have shown the promise of HA-based hydrogels to support cell-based cartilage formation, varying HA concentration generally led to simultaneous changes in both biochemical cues and stiffness. How cells respond to the change of biochemical content of HA remains largely unknown. Here we report an adaptable elastin-like protein-hyaluronic acid (ELP-HA) hydrogel platform using dynamic covalent chemistry, which allows variation of HA concentration without affecting matrix stiffness...
March 3, 2017: Biomaterials
https://www.readbyqxmd.com/read/28266690/lengthening-primary-cilia-enhances-cellular-mechanosensitivity
#13
G-I Im
Stem cell research arose from the need to explore new therapeutic possibilities for intractable and lethal diseases. Although musculoskeletal disorders are basically nonlethal, their high prevalence and relative ease of performing clinical trials have facilitated the clinical application of stem cells in this field. However, few reliable clinical studies have been published, despite the plethora of in vitro and preclinical studies in stem cell research for regenerative medicine in the musculoskeletal system...
February 21, 2017: European Cells & Materials
https://www.readbyqxmd.com/read/28265109/comparative-evaluation-of-leukocyte-and-platelet-rich-plasma-and-pure-platelet-rich-plasma-for-cartilage-regeneration
#14
Zhengliang Xu, Wenjing Yin, Yuelei Zhang, Xin Qi, Yixuan Chen, Xuetao Xie, Changqing Zhang
Platelet-rich plasma (PRP) has gained growing popularity in the treatment of articular cartilage lesions in the last decade. However, the potential harmful effects of leukocytes in PRP on cartilage regeneration have seldom been studied in vitro, and not at all in vivo yet. The objective of the present study is to compare the effects of leukocyte- and platelet-rich plasma (L-PRP) and pure platelet-rich plasma (P-PRP) on cartilage repair and NF-κB pathway, in order to explore the mechanism underlying the function of leukocytes in PRP in cartilage regeneration...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28263667/one-step-treatment-for-patellar-cartilage-defects-with-a-cell-free-osteochondral-scaffold
#15
Francesco Perdisa, Giuseppe Filardo, Andrea Sessa, Maurizio Busacca, Stefano Zaffagnini, Maurilio Marcacci, Elizaveta Kon
BACKGROUND: The treatment of symptomatic cartilage defects of the patella is particularly challenging, and no gold standard is currently available. PURPOSE: To evaluate the clinical results of a biphasic cell-free collagen-hydroxyapatite scaffold and to evaluate osteochondral tissue regeneration with magnetic resonance imaging (MRI). STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Thirty-four patients (18 men and 16 women; mean ± SD: age, 30...
March 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28261617/repair-of-osteochondral-defects-using-human-umbilical-cord-wharton-s-jelly-derived-mesenchymal-stem-cells-in-a-rabbit-model
#16
Shuyun Liu, Yanhui Jia, Mei Yuan, Weimin Guo, Jingxiang Huang, Bin Zhao, Jiang Peng, Wenjing Xu, Shibi Lu, Quanyi Guo
Umbilical cord Wharton's jelly-derived mesenchymal stem cell (WJMSC) is a new-found mesenchymal stem cell in recent years with multiple lineage potential. Due to its abundant resources, no damage procurement, and lower immunogenicity than other adult MSCs, WJMSC promises to be a good xenogenous cell candidate for tissue engineering. This in vivo pilot study explored the use of human umbilical cord Wharton's jelly mesenchymal stem cells (hWJMSCs) containing a tissue engineering construct xenotransplant in rabbits to repair full-thickness cartilage defects in the femoral patellar groove...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28261272/stem-cells-in-cartilage-regeneration
#17
EDITORIAL
Jianying Zhang, Shiwu Dong, Wesley Sivak, Hui Bin Sun, Kai Tao
No abstract text is available yet for this article.
2017: Stem Cells International
https://www.readbyqxmd.com/read/28258330/good-clinical-and-mri-outcome-after-arthroscopic-autologous-chondrocyte-implantation-for-cartilage-repair-in-the-knee
#18
Rainer Siebold, Ferzan Suezer, Benjamin Schmitt, Siegfried Trattnig, Marco Essig
PURPOSE: To analyze the clinical outcome and cartilage regeneration after all-arthroscopic Autologous Chondrocyte Implantation (ACI) using chondrospheres® (ACT3D) for the treatment of full-size articular cartilage lesions at the knee. METHODS: Thirty consecutive patients treated by all-arthroscopic ACI for full-size articular cartilage lesions in an otherwise healthy knee were enrolled. The defects were located on the femoral condyles (n = 18), in the trochlea (n = 7) and at the patella (n = 5)...
March 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28255127/-progress-in-application-of-3d-bioprinting-in-cartilage-regeneration-and-reconstruction-for-tissue-engineering
#19
Junlin Liao, Shaohua Wang, Jia Chen, Hongju Xie, Jianda Zhou
Three-dimensional (3D) bioprinting provides an advanced technology for tissue engineering and regenerative medicine because of its ability to produce the models or organs with higher precision and more suitable for human body. It has been successfully used to produce a variety of cartilage scaffold materials. In addition, 3D bioprinter can directly to print tissue and organs with live chondrocytes. In conclusion, 3D bioprinting may have broad prospect for cartilage regeneration and reconstruction in tissue engineering...
February 28, 2017: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/28252046/depletion-of-gangliosides-enhances-articular-cartilage-repair-in-mice
#20
Masatake Matsuoka, Tomohiro Onodera, Kentaro Homan, Fumio Sasazawa, Jun-Ichi Furukawa, Daisuke Momma, Rikiya Baba, Kazutoshi Hontani, Zenta Joutoku, Shinji Matsubara, Tadashi Yamashita, Norimasa Iwasaki
Elucidation of the healing mechanisms in damaged tissues is a critical step for establishing breakthroughs in tissue engineering. Articular cartilage is clinically one of the most successful tissues to be repaired with regenerative medicine because of its homogeneous extracellular matrix and few cell types. However, we only poorly understand cartilage repair mechanisms, and hence, regenerated cartilage remains inferior to the native tissues. Here, we show that glycosylation is an important process for hypertrophic differentiation during articular cartilage repair...
March 2, 2017: Scientific Reports
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